Most forms of rat poisons. Read the manufacturer's label carefully for proper usage and storage.

Most herbicides made for residential use are generally considered to be safe for use in environments where animals frequent, as long as the label instructions are followed exactly. For example, if a weed killer spray label states, "Keep animals away from treated areas until dry," it is important to adhere to these instructions in order to avoid problems. If these instructions are not followed, affected animals might exhibit such symptoms as mild skin or gastrointestinal irritation, or the desirable vegetation could be damaged from unintentional spread of the herbicide.​

Cocoa MulchFound in most home garden centers, cocoa mulch is known for its sweet chocolate smell and fine texture. Cocoa mulch contains theobromine and caffeine, 2 key ingredients in chocolate. From the ASPCA:What happens if a 50 pound dog eats cocoa mulch?

3. Don’t twist. Turn your entire body towards what you are working on. This includes when you are picking things up.

4. If you’ll be spending a lot of time working close to the ground, I suggest picking up a lightweight garden stool to protect your knees and joints. There are many designs out there, so you have plenty of options! Amazon Gardening Stools

5. I know you hear it all the time, but it’s important to BEND FROM YOUR KNEES. When picking anything up, bend at your knees and straighten your back before lifting.